The specially spun fibers provide a smooth surface for premium printing vividity and sharpness. No side seams mean there are no itchy interruptions under the arms. The shoulders have tape for improved durability. Made using 100% US cotton that is ethically grown and harvested. Gildan is also a proud member of the US Cotton Trust Protocol ensuring ethical and sustainable means of production. This tee is certified by Oeko-Tex for safety and quality assurance.